Why it works: Lemon and orange match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Orange Jelly
Ingredients
Directions
Soak the gelatine in 1 pint of cold water until thoroughly softened.
Add 2 cups of sugar and the pulp of 1 lemon to the soaked gelatine.
Pour 1 pint of boiling water over the mixture and stir until dissolved.
Strain the mixture over 8 sliced oranges.
Chill until set.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Lemon + orangetop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + orangetop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
Sugar and lemon barely smell alike, yet cooks put them together in 53,532 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Gelatine
- Sets the liquid into a firm, wobbly jelly as it cools.
- Sugar
- Sweetens the jelly and balances the sharpness of the citrus.
- Lemon pulp
- Adds acidity and bright citrus flavour to the jelly.
- Oranges
- Provide fruit flavour and pieces suspended in the set jelly.
The step that matters
Dissolving the gelatine fully. Gelatine must be completely dissolved in the hot liquid before cooling; any undissolved granules stay grainy and weaken the set, so stir until no grains remain.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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